<template>
  <div id="app">
    <router-view>
      <login />
    </router-view>
    <!-- 将上传组件全局注册 -->
    <!--  <file></file>-->
  </div>
</template>

<script>
import login from "@/views/login/login.vue";
//import file from "@/views/file/index.vue";

export default {
  name: "app",
  components: {
    login,
    //file
  },
  created() {
    //在页面加载时读取sessionStorage里的状态信息
    if (sessionStorage.getItem("store")) {
      this.$store.replaceState(
        Object.assign(
          {},
          this.$store.state,
          JSON.parse(sessionStorage.getItem("store"))
        )
      );
    }
    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener("beforeunload", () => {
      sessionStorage.setItem("store", JSON.stringify(this.$store.state));
    });
  }
};
</script>

<style>
#app {
  font-family: "Avenir", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: #2c3e50;
  margin-top: 60px;
}

body,
html,
#app {
  height: 100%;
  margin: 0;
}
</style>
